Solar heater for swimming pools



FIG. 1 is a perspective view of a solar heater for swimming pools, showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a partially enlarged detail view thereof;

FIG. 4 is a second partially enlarged detail view thereof;

FIG. 5 is a third partially enlarged detail view thereof;

FIG. 6 is a fourth partially enlarged detail view thereof; and,

FIG. 7 is a fifth partially enlarged detail view thereof. 

The ornamental design for a solar heater for swimming pools, as shown and described. 